diff --git a/Examples/UIExplorer/UIExplorer.xcodeproj/project.pbxproj b/Examples/UIExplorer/UIExplorer.xcodeproj/project.pbxproj
index d783facad5..02e2c9e130 100644
--- a/Examples/UIExplorer/UIExplorer.xcodeproj/project.pbxproj
+++ b/Examples/UIExplorer/UIExplorer.xcodeproj/project.pbxproj
@@ -24,6 +24,7 @@
 		13B07FC11A68108700A75B9A /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FB71A68108700A75B9A /* main.m */; };
 		13DB03481B5D2ED500C27245 /* RCTJSONTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 13DB03471B5D2ED500C27245 /* RCTJSONTests.m */; };
 		13DF61B61B67A45000EDB188 /* RCTMethodArgumentTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 13DF61B51B67A45000EDB188 /* RCTMethodArgumentTests.m */; };
+		141FC1211B222EBB004D5FFB /* IntegrationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 141FC1201B222EBB004D5FFB /* IntegrationTests.m */; };
 		143BC5A11B21E45C00462512 /* UIExplorerSnapshotTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 143BC5A01B21E45C00462512 /* UIExplorerSnapshotTests.m */; };
 		144D21241B2204C5006DB32B /* RCTImageUtilTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 144D21231B2204C5006DB32B /* RCTImageUtilTests.m */; };
 		147CED4C1AB3532B00DA3E4C /* libRCTActionSheet.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 147CED4B1AB34F8C00DA3E4C /* libRCTActionSheet.a */; };
@@ -191,6 +192,7 @@
 		13CC9D481AEED2B90020D1C2 /* RCTSettings.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTSettings.xcodeproj; path = ../../Libraries/Settings/RCTSettings.xcodeproj; sourceTree = "<group>"; };
 		13DB03471B5D2ED500C27245 /* RCTJSONTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTJSONTests.m; sourceTree = "<group>"; };
 		13DF61B51B67A45000EDB188 /* RCTMethodArgumentTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTMethodArgumentTests.m; sourceTree = "<group>"; };
+		141FC1201B222EBB004D5FFB /* IntegrationTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IntegrationTests.m; sourceTree = "<group>"; };
 		143BC57E1B21E18100462512 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		143BC5811B21E18100462512 /* testLayoutExampleSnapshot_1@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "testLayoutExampleSnapshot_1@2x.png"; sourceTree = "<group>"; };
 		143BC5821B21E18100462512 /* testSliderExampleSnapshot_1@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "testSliderExampleSnapshot_1@2x.png"; sourceTree = "<group>"; };
@@ -429,6 +431,7 @@
 		143BC5961B21E3E100462512 /* UIExplorerIntegrationTests */ = {
 			isa = PBXGroup;
 			children = (
+				141FC1201B222EBB004D5FFB /* IntegrationTests.m */,
 				143BC5A01B21E45C00462512 /* UIExplorerSnapshotTests.m */,
 				83636F8E1B53F22C009F943E /* RCTUIManagerScenarioTests.m */,
 				143BC5971B21E3E100462512 /* Supporting Files */,
@@ -864,6 +867,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				141FC1211B222EBB004D5FFB /* IntegrationTests.m in Sources */,
 				83636F8F1B53F22C009F943E /* RCTUIManagerScenarioTests.m in Sources */,
 				143BC5A11B21E45C00462512 /* UIExplorerSnapshotTests.m in Sources */,
 			);
diff --git a/packager/react-packager/src/lib/__tests__/declareOpts-test.js b/packager/react-packager/src/lib/__tests__/declareOpts-test.js
index 0fa1b7c818..cb9a35dd7e 100644
--- a/packager/react-packager/src/lib/__tests__/declareOpts-test.js
+++ b/packager/react-packager/src/lib/__tests__/declareOpts-test.js
@@ -61,7 +61,7 @@ describe('declareOpts', function() {
 
     expect(function() {
       validate({});
-    }).toThrow();
+    }).toThrow('Error validating module options: foo is required');
   });
 
   it('should throw on invalid type', function() {
@@ -74,7 +74,7 @@ describe('declareOpts', function() {
 
     expect(function() {
       validate({foo: 'lol'});
-    }).toThrow();
+    }).toThrow('Error validating module options: foo must be a number');
   });
 
   it('should throw on extra options', function() {
@@ -87,6 +87,6 @@ describe('declareOpts', function() {
 
     expect(function() {
       validate({foo: 1, lol: 1});
-    }).toThrow();
+    }).toThrow('Error validating module options: lol is not allowed');
   });
 });